import type { ContentBlock, PendingQuestionRef, RunTiming, ToolBridgeContent } from "./projection";
import type { ContextProjectionData } from "./context";
export interface TextContentPart {
    type: "text";
    text: string;
}
export interface ImageUrlContentPart {
    type: "image_url";
    image_url: {
        url: string;
        source_path?: string;
        width?: number;
        height?: number;
    };
}
export interface FileContentPart {
    type: "file";
    name: string;
    data: string;
}
export type MessageContentPart = TextContentPart | ImageUrlContentPart | FileContentPart;
export type MessageContent = string | MessageContentPart[];
export interface ToolCallInfo {
    id: string;
    name: string;
    display_name?: string | null;
    arguments: string;
    result?: unknown;
    status?: "pending" | "done" | "error" | "cancelled" | "awaiting_answer";
    duration_ms?: number | null;
    pending_question_ref?: PendingQuestionRef | null;
}
export type { ToolBridgeContent };
/** Derive tool status from the result content string. */
export declare function inferToolStatus(resultStr: string): "done" | "error" | "cancelled";
export interface MemoryRefInfo {
    id: number;
    content_preview: string;
    skill_name?: string | null;
}
export interface CompactionInfo {
    compaction_id: string;
    summary_preview?: string | null;
    summary_full?: string | null;
    archived_count?: number | null;
    archived_files?: ArchivedFileInfo[] | null;
    archived_tool_calls?: ArchivedToolCallInfo[] | null;
    tokens_before?: number | null;
    tokens_after?: number | null;
    saved_ratio?: number | null;
    trigger?: "auto" | "manual" | "forced_retry" | null;
    failure_reason?: string | null;
    fallback_applied?: boolean | null;
}
export interface ArchivedFileInfo {
    tool_name?: string | null;
    filename?: string | null;
    relative_path?: string | null;
    size_bytes?: number | null;
}
export interface ArchivedToolCallInfo {
    tool_call_id?: string | null;
    tool_name?: string | null;
    archive_path?: string | null;
    replacement_content?: string | null;
    entry_id?: string | null;
}
export interface ChatMessage {
    role: "user" | "assistant" | "tool" | "error";
    content: MessageContent;
    reasoning?: string;
    tool_calls?: ToolCallInfo[];
    status?: "streaming" | "completed" | "paused" | "failed" | "interrupted";
    duration_ms?: number;
    chat_run?: RunTiming | null;
    timestamp?: string;
    entry_id?: string;
    /** Stable React key retained when an optimistic user message is confirmed. */
    render_id?: string;
    parent_id?: string | null;
    loop_name?: string;
    /** Entry kind from backend -- present for non-message entries like mode changes. */
    kind?: string;
    /** Memory references injected into this turn's context */
    memory_refs?: MemoryRefInfo[];
    /** Raw projection blocks for block-level UI rendering. */
    blocks?: ContentBlock[];
    /** Compaction metadata for compaction turns. */
    compaction?: CompactionInfo;
    /** Sourced Context metadata for rendering or headless consumers. */
    context?: ContextProjectionData;
}